Home / 31,497,767.20-47,246,650.80-28,805,132.80

Finding the Fourth Proportional to 31,497,767.20, 47,246,650.80 and 28,805,132.80

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Solution

The fourth proportional to 31,497,767.20, 47,246,650.80 and 28,805,132.80 is: 43,207,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497,767.20 : 47,246,650.80 = 28,805,132.80 : x
  2. Step 2: Convert to fraction form
    31,497,767.20/47,246,650.80 = 28,805,132.80/x
  3. Step 3: Cross multiply
    31,497,767.20x = 47,246,650.80 × 28,805,132.80
  4. Step 4: Simplify right side
    31,497,767.20x = 1,360,946,050,649,226.25
  5. Step 5: Solve for x
    x = 1,360,946,050,649,226.25/31,497,767.20
  6. Step 6: Final answer
    x = 43,207,699.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.